A control system of an autonomous vehicle may include: a camera unit installed on a vehicle body, and configured to take an image of a pedestrian; a measurement unit installed on the vehicle body, and configured to measure a position of the pedestrian and a distance to the pedestrian; a control unit configured to receive data of the camera unit and the measurement unit; and an image irradiation unit configured to operate according to a control signal of the control unit, and irradiate light to one or more of the pedestrian and a road.